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Adolphe Brogniart. Portrait of Adolphe-Theodore Brongiart (1801-76), French paleontologist and botanist. Son of the geologist Alexandre Brogniart, Adolphe Brogniart published major works on fossil plants from the age of 21. Brogniart classified fossil plants in four geological generations but thought species were fixed rather than evolving. From 1849 he also studied living plants, using the newly-improved microscope to trace the steps of fertilization up to the fusion of the male and female germ cells. He was made a professor of botany at the Museum d'Histoire Naturelle in Paris in 1833 and is rated as one of the best French botanists of the 19th century.
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